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Xperia Z3 was the flagship device of second half of 2014. Xperia Z3 runs on a 2.5Ghz quad-core Qualcomm Snapdragon 801 processor, 3GB of RAM, 16GB internal storage and a 3100mAh battery. The 5.2″ IPS LCD display has a 1080p resolution and utilises Sony’s Triluminuous backlighting technology. The Xperia Z3 is also IP65 and IP68 compliant, meaning it’s good for those dusty or wet environments. Z3 also has a new impressive camera, featuring a 20.7MP.

Sony Xperia Z3 has not received the official Android 5.1.1 update. Android 5.1.1 update is a bug fix which tries to solve critical problems plaguing Android Lollipop. You can install it on Xperia Z3 via custom Carbon ROM. This ROM is based on CM ROMs and offers very good features. Follow the guide below.